CN109449617A - A kind of radio frequency connecting structure - Google Patents
A kind of radio frequency connecting structure Download PDFInfo
- Publication number
- CN109449617A CN109449617A CN201811381420.3A CN201811381420A CN109449617A CN 109449617 A CN109449617 A CN 109449617A CN 201811381420 A CN201811381420 A CN 201811381420A CN 109449617 A CN109449617 A CN 109449617A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- connection
- radio frequency
- connecting structure
- frequency connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
- H01R12/718—Contact members provided on the PCB without an insulating housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a kind of radio frequency connecting structures, belong to connector technique field, solve and reduce the volume that plate connect plate and the technical issues of being easily installed.Technical essential are as follows: including first circuit board (1), second circuit board (2) and connection circuit board (3), the connection circuit board (3) is electrically connected between first circuit board (1) and second circuit board (2), the connection circuit board (3) one end is fixedly connected with first circuit board (1), and connection circuit board (3) other end is flexibly connected with second circuit board (2) by flexible connector (4).The present invention is connected for radiofrequency signal of the plate to plate.
Description
Technical field
The present invention relates to connector technique fields, and in particular to a kind of radio frequency connecting structure.
Background technique
With the development of communication technology, mobile terminal device needs more and more antennas to receive different frequency range and difference
The radiofrequency signal of standard.Therefore the intelligent antenna system for being integrated with antenna, radio-frequency module, System on Chip/SoC etc. becomes current mobile whole
The main way of end equipment generally requires the radio frequency letter between circuit board and circuit board in the intelligent antenna system of Highgrade integration
Number transmission.
The connector of " plate is to plate " form of coaxial configuration is mostly used in prior art or welds the side of coaxial line
Formula transmitting radio frequency signal between two pieces of circuit boards.Both modes are in manufacturing cost, production cost, assembling difficulty, occupied space
On all there is larger disadvantages.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of manufacture easy to produce, and can for the deficiency in background technique
To reduce the radio frequency connecting structure of size.
In order to solve the above technical problems, the technical scheme is that a kind of radio frequency connecting structure, including the first circuit
Plate, second circuit board and connection circuit board, the connection circuit board are electrically connected between first circuit board and second circuit board,
Described connection circuit board one end is fixedly connected with first circuit board, and the connection circuit board other end and second circuit board pass through bullet
Property connector be flexibly connected.
Further, the flexible connector includes elastic slice and/or flexible conductive element.
Further, the flexible connector includes elastic slice and flexible conductive element, and the elastic slice is fixed at connection electricity
On the circuit of road plate, and Elastic Contact is connected on the circuit of second circuit board；The flexible conductive element is fixedly connected on
On the circuit of two circuit boards, and Elastic Contact is connected on the circuit of connection circuit board.
Further, the elastic slice includes fixing end and elastic connection end；The fixing end includes two be oppositely arranged
Clamping part, the connection circuit board are folded between two clamping parts；Elastic connection end Elastic Contact is connected to
On two circuit boards.
Further, the elastic slice further includes inserted sheet, and the front end at elastic connection end, second electricity is arranged in the inserted sheet
Jack corresponding with inserted sheet is provided on the plate of road.
Further, it is provided with card slot on the connection circuit board, the flexible conductive element Elastic Contact is connected to card slot
It is interior.
Further, the flexible conductive element is conducting foam.
Further, the connection circuit board is provided with chuck, is provided on the first circuit board matched with chuck
Bayonet, the chuck are caught in bayonet, and realize that first circuit board connects with the electrical property for connecting circuit on-board circuitry by welding
It connects.
It further, further include fixed plate, the first circuit board and second circuit board are each attached in fixed plate.
Further, it is clamped and/or is spirally connected between the first circuit board and second circuit board and fixed plate.
The beneficial effect that the present invention realizes mainly has the following: using flexible connector, connects circuit board and the second electricity
Road plate allows to have biggish error when connecting, and the signal that will not influence connection circuit board and second circuit board transmits, and connects
Reliably, thus assembling be easier, performance it is more stable.And connect the group of the fixation of circuit board and first circuit board, total
Dressing production easy to produce, flexible connector are easy to obtain.In addition, carrying out first circuit board and second circuit using connection circuit board
Radio signal transmission between plate can be formed at web contact line more in a smaller space between plate and plate
Tie point, can realize that the transmission of multiple signals, confronting coaxial structure or coaxial line connection can reduce whole in small space
The size of body structure is conducive to the miniaturization of total, is also easier to realize plate to multiple signal communications between plate.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of radio frequency connecting structure in the embodiment of the present invention one；
Fig. 2 is that the flexible connector of radio frequency connecting structure is illustrated with the detonation configuration for connecting circuit board in the embodiment of the present invention one
Figure；
Fig. 3 is the structural schematic diagram of the elastic slice of radio frequency connecting structure in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the flexible conductive element of radio frequency connecting structure in the embodiment of the present invention one；
Fig. 5 is the configuration schematic diagram of radio frequency connecting structure in the embodiment of the present invention two.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, being carried out below in conjunction with attached drawing and embodiment to the present invention further
Detailed description.
Embodiment one
Refering to fig. 1 ~ 4, a kind of radio frequency connecting structure, including first circuit board 1, second circuit board 2 and connection circuit board 3, it is described
Connection circuit board 3 is electrically connected between first circuit board 1 and second circuit board 2, is used as first circuit board 1 and second circuit board
Signal transmission between 2.Described 3 one end of connection circuit board is fixedly connected with first circuit board 1, i.e. connection circuit board 3 and first
1 mechanical structure of circuit board is fixedly connected, and is connected the route corresponding with first circuit board 1 of circuit board 3 and be conductively connected.The company
It connects 3 other end of circuit board and is flexibly connected with second circuit board 2 by flexible connector 4, to will directly connect circuit when installing
The overall structure that plate 3 is formed with first circuit board 1 is linked together with second circuit board 2 by flexible connector 4, due to using
Flexible connector 4, connection circuit board 3 allow to have biggish error when connecting with second circuit board 2, will not influence connection circuit board
3 transmit with the signal of second circuit board 2, and connect it is reliable, thus assemble and be easier, performance it is more stable.And connection circuit
Plate 3 is easy to manufacture with the fixation of first circuit board 1, the assembling of total, and flexible connector 4 is easy to obtain.In addition, adopting
The radio signal transmission between first circuit board 1 and second circuit board 2 is carried out with connection circuit board 3, it can between plate and plate
To form more tie points at web contact line in a smaller space, multiple signals can be realized in small space
Transmission, confronting coaxial structure or coaxial line connection can reduce integrally-built size, be conducive to the miniaturization of total,
More easily realize plate to multiple signal communications between plate.
Refering to Fig. 2 ~ 4, the flexible connector 4 can be using structures such as power spring, electroconductive elastic sheet, flexible conducting materials
Or be applied in combination, cooperated in the present embodiment using elastic slice 41 and flexible conductive element 42, elastic slice 41 to connect circuit board 3 and second
Connection between circuit board 2 has certain rigidity, and flexible conductive element 42 ensure that the two comes into full contact with, to pass through elastic slice 41
Connection circuit board 3 and second circuit board 2 is realized with flexible conductive element 42 to be preferably electrically connected.Elastic slice 41 and flexible conductive element
One in 42 can be used as the connection of signal wire line, another is connected as ground wire.Elastic slice 41 and flexible conductive element 42 can be with
According to the quantity for transmitting signal between first circuit board 1 and second circuit board 2, multiple groups are set.
Referring to Fig.2, the elastic slice 41 is fixed on connection circuit board 3, and Elastic Contact is connected to second circuit
On the circuit of plate 2.Can in the multiple notching constructions of one end setting that connection circuit board 3 be connect with second circuit board 2, including with bullet
The corresponding elastic slice of piece 41 connection fluting 33, fluting 31 corresponding with flexible conductive element 42, so as to lead elastic slice 41 and flexibility
Electric part 42 is separated to the distance of setting, that is, is guaranteed the pitch requirements of signal wire and ground wire, also avoided flexible conductive element and elastic slice
Occur accidentally to touch.
Refering to Fig. 2 and Fig. 3, the elastic slice 41 includes fixing end 411 and elastic connection end 412, and fixing end 411 is used as and connects
It connects circuit board 3 to be fixedly connected, elastic connection end 412 is used as 22 Elastic Contact of pad with second circuit board 2.The fixing end
411 include two clamping parts being oppositely arranged, and one is that elastic slice end is bent to form, the other is being stamped and formed out, the connection
Circuit board 3 is folded between two clamping parts.The circuit land of one in two clamping parts and 3 side of circuit board welds
It connects, the anchor pad of the other side setting stationary gripping part of circuit board 3, so as to by welding two clamping parts and circuit
The pad solder of 3 two sides of plate realizes the fixation of elastic slice 41 and circuit board 3.
Refering to Fig. 2 and 4, the flexible conductive element 42 can use a block structure, be fixedly connected on the second electricity on one side
On the circuit of road plate 2, it can be welded on the corresponding pad of second circuit board 2, be preferably provided more than two pads, flexibility is led
More than two solder joints are arranged in electric part 42, are easier to weld in this way.The other half Elastic Contact of flexible conductive element 42 is connected to card
Slot 31 is interior and connects on the circuit of circuit board 3.The circuit of general connection circuit board 3 is arranged in side, thus can will be flexible
Conduct piece 42 is preferably positioned to a concave structure, two bulges point and the electrical contact for connecting 3 side of circuit board,
The limit to connection circuit board 3 can played to a certain extent.Flexible conductive element 42 can also use simple block structure,
It can also be with the electrical contact that connect 3 side of circuit board by the protrusions of two sides after the lower compressive strain of connection circuit board 3.The flexibility
Conduct piece 42 can be using the common compliant conductive foam material such as conducting foam.
In addition, inserted sheet can also be arranged in 41 end of elastic slice, the front end at elastic connection end 412 is arranged in the inserted sheet,
Jack corresponding with inserted sheet is provided on the second circuit board 2, so that inserted sheet and jack grafting reality can be first passed through when installing
It is now pre-positioned, is easily installed.
Refering to fig. 1, the connection circuit board 3 is provided with chuck 32, is provided on the first circuit board 1 and chuck 32
The bayonet 11 matched, the chuck 32 are caught in bayonet 11, realize that first circuit board 1 is fixed with the mechanical structure for connecting circuit board 3,
And pass through electric connection welding realization first circuit board 1 and connect corresponding circuits on circuit board 3.
Printed circuit board can be used in first circuit board 1, second circuit board 2 and connection circuit board 3, and can be according to need
The number of plies of printed circuit board is set.Such as four-layer structure can be set in connection circuit board 3, first layer is by signal wire and ground wire group
At, second and third, four layers be ground wire, four layers of ground wire pass through through-hole and connect.
Embodiment two
Refering to Fig. 5, the present embodiment utilizes the radio frequency connecting structure of embodiment one, and connects and tie as the radio frequency of car antenna
Structure.Other than the component of embodiment one kind, the radio frequency connecting structure of the present embodiment further includes fixed plate 5, the first circuit board 1
It is each attached in fixed plate 5 with second circuit board 2, passes through between the first circuit board 1 and second circuit board 2 and fixed plate 5
It is clamped, is spirally connected to connect, or the two is used cooperatively.
Car antenna further includes shell 6 and antenna structure and upper casing 7, and shell 6 can be with fixed plate 5 together as the first electricity
The fixed structure of road plate 1 and second circuit board 2.
First circuit board 1 connects each antenna structure of car antenna in the present embodiment, is arranged on second circuit board 2 each
The signal source of antenna needs to realize that first circuit board 1 is connect with the radio frequency of second circuit board 2 by connection circuit board 3, thus shape
At a complete car antenna.When total assembles, elastic slice 41 is fixedly connected with circuit board 3 is connect first, flexibility is led
Electric part 42 is fixed on the corresponding pad 21 of second circuit board 2；It is fixedly connected between first circuit board 1 and connection circuit board 3 again
And realize that circuit is connected；Finally first circuit board 1 is fixed with the insertion of connection circuit board 3 connecting in 3 overall structure of circuit board
First circuit board 1 and second circuit board 2 are separately fixed at the two sides of fixed plate 5, at the same time the company of realizing by the fluting of plate 5
Connect the Elastic Contact that pad 22 is corresponded on elastic slice 41 and second circuit board 2 on circuit board 3 and flexible conductive element 42 with connect
Slot on circuit board 3 Elastic Contacts of 31 side circuits, i.e., realize simultaneously first circuit board 1 with connect the integrally knot of circuit board 3
The mechanical connection and electric connection of structure and second circuit board 2.Shell 6 can be consolidated with second circuit board 2 by same group of screw
It is fixed, upper housing is also secured in fixed plate 5, the installation of entire antenna structure is realized.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of radio frequency connecting structure, it is characterised in that: including first circuit board (1), second circuit board (2) and connection circuit board
(3), the connection circuit board (3) is electrically connected between first circuit board (1) and second circuit board (2), the connection circuit
Plate (3) one end is fixedly connected with first circuit board (1), and connection circuit board (3) other end and second circuit board (2) pass through bullet
Property connector (4) be flexibly connected.
2. radio frequency connecting structure according to claim 1, it is characterised in that: the flexible connector (4) includes elastic slice
(41) and/or flexible conductive element (42).
3. radio frequency connecting structure according to claim 2, it is characterised in that: the flexible connector (4) includes elastic slice
(41) and flexible conductive element (42), the elastic slice (41) is fixed on the circuit of connection circuit board (3), and Elastic Contact
It is connected on the circuit of second circuit board (2)；The flexible conductive element (42) is fixedly connected on the circuit of second circuit board (2)
On, and Elastic Contact is connected on the circuit of connection circuit board (3).
4. radio frequency connecting structure according to claim 3, it is characterised in that: the elastic slice (41) includes fixing end (411)
With elastic connection end (412)；The fixing end (411) includes two clamping parts being oppositely arranged, connection circuit board (3) folder
It is located between two clamping parts；Elastic connection end (412) Elastic Contact is connected on second circuit board (2).
5. radio frequency connecting structure according to claim 4, it is characterised in that: the elastic slice (41) further includes inserted sheet, described
Inserted sheet setting is provided with jack corresponding with inserted sheet on the front end of elastic connection end (412), the second circuit board (2).
6. radio frequency connecting structure according to claim 3, it is characterised in that: be provided with card on the connection circuit board (3)
Slot (31), flexible conductive element (42) Elastic Contact are connected in card slot (31).
7. radio frequency connecting structure according to claim 6, it is characterised in that: the flexible conductive element (42) is conductive bubble
Cotton.
8. radio frequency connecting structure according to claim 1, it is characterised in that: the connection circuit board (3) is provided with chuck
(32), it is provided on the first circuit board (1) and is caught in bayonet with chuck (32) matched bayonet (11), the chuck (32)
(11) in, and by welding the electric connection realized first circuit board (1) and connect circuit on circuit board (3).
9. described in any item radio frequency connecting structures according to claim 1 ~ 8, it is characterised in that: it further include fixed plate (5), it is described
First circuit board (1) and second circuit board (2) are each attached on fixed plate (5).
10. radio frequency connecting structure according to claim 9, it is characterised in that: the first circuit board (1) and second circuit
It is clamped and/or is spirally connected between plate (2) and fixed plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381420.3A CN109449617B (en) | 2018-11-20 | 2018-11-20 | Radio frequency connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381420.3A CN109449617B (en) | 2018-11-20 | 2018-11-20 | Radio frequency connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449617A true CN109449617A (en) | 2019-03-08 |
| CN109449617B CN109449617B (en) | 2023-10-20 |
Family
ID=65553314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381420.3A Active CN109449617B (en) | 2018-11-20 | 2018-11-20 | Radio frequency connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449617B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109449617B (en) | 2023-10-20 |
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